Inventor

TACHIHARA NORIBUMI

6 patents

⚠️ This page may combine multiple inventors who share the name “TACHIHARA NORIBUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

COPAL CO LTD

4 patents

US6001465ADec 14, 1999

Light shielding blade for camera made of para-orientation aromatic polyamide film

COPAL CO LTD21 citations92

US4141058AFeb 20, 1979

Light diffusing device

COPAL CO LTD112 citations92

US4059916ANov 29, 1977

Light diffusing device

COPAL CO LTD144 citations90

US6502296B2Jan 7, 2003

Method of fabricating a light-shielding blade composed of beryllium-aluminum alloy

COPAL CO LTD1 citations51

NIDEC COPAL CORP

2 patents

US6818287B1Nov 16, 2004

Light shielding blade material for optical apparatus

NIDEC COPAL CORP25 citations92

US6190060B1Feb 20, 2001

Light-shielding blade composed of beryllium-aluminum alloy for camera

NIDEC COPAL CORP6 citations73